| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.connectivity; |
| |
| import static android.hardware.usb.UsbManager.USB_CONFIGURED; |
| import static android.hardware.usb.UsbManager.USB_CONNECTED; |
| import static android.hardware.usb.UsbManager.USB_FUNCTION_RNDIS; |
| import static android.net.ConnectivityManager.ACTION_TETHER_STATE_CHANGED; |
| import static android.net.ConnectivityManager.EXTRA_ACTIVE_LOCAL_ONLY; |
| import static android.net.ConnectivityManager.EXTRA_ACTIVE_TETHER; |
| import static android.net.ConnectivityManager.EXTRA_AVAILABLE_TETHER; |
| import static android.net.ConnectivityManager.TETHER_ERROR_UNKNOWN_IFACE; |
| import static android.net.ConnectivityManager.TETHERING_WIFI; |
| import static android.net.ConnectivityManager.TETHERING_USB; |
| import static android.net.ConnectivityManager.TYPE_MOBILE; |
| import static android.net.wifi.WifiManager.IFACE_IP_MODE_LOCAL_ONLY; |
| import static android.net.wifi.WifiManager.IFACE_IP_MODE_TETHERED; |
| import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_INTERFACE_NAME; |
| import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_MODE; |
| import static android.net.wifi.WifiManager.EXTRA_WIFI_AP_STATE; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.argThat; |
| import static org.mockito.ArgumentMatchers.notNull; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.atLeastOnce; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.when; |
| import static org.mockito.Mockito.mock; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.res.Resources; |
| import android.hardware.usb.UsbManager; |
| import android.net.INetd; |
| import android.net.INetworkPolicyManager; |
| import android.net.INetworkStatsService; |
| import android.net.InterfaceConfiguration; |
| import android.net.IpPrefix; |
| import android.net.LinkAddress; |
| import android.net.LinkProperties; |
| import android.net.MacAddress; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.NetworkState; |
| import android.net.NetworkUtils; |
| import android.net.RouteInfo; |
| import android.net.ip.RouterAdvertisementDaemon; |
| import android.net.util.InterfaceParams; |
| import android.net.util.NetworkConstants; |
| import android.net.util.SharedLog; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiManager; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.INetworkManagementService; |
| import android.os.PersistableBundle; |
| import android.os.RemoteException; |
| import android.os.test.TestLooper; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.telephony.CarrierConfigManager; |
| import android.test.mock.MockContentResolver; |
| |
| import com.android.internal.util.ArrayUtils; |
| import com.android.internal.util.StateMachine; |
| import com.android.internal.util.test.BroadcastInterceptingContext; |
| import com.android.internal.util.test.FakeSettingsProvider; |
| import com.android.server.connectivity.tethering.IControlsTethering; |
| import com.android.server.connectivity.tethering.IPv6TetheringCoordinator; |
| import com.android.server.connectivity.tethering.OffloadHardwareInterface; |
| import com.android.server.connectivity.tethering.TetherInterfaceStateMachine; |
| import com.android.server.connectivity.tethering.TetheringDependencies; |
| import com.android.server.connectivity.tethering.UpstreamNetworkMonitor; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.net.Inet4Address; |
| import java.net.Inet6Address; |
| import java.util.ArrayList; |
| import java.util.Vector; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class TetheringTest { |
| private static final int IFINDEX_OFFSET = 100; |
| |
| private static final String[] PROVISIONING_APP_NAME = {"some", "app"}; |
| private static final String TEST_MOBILE_IFNAME = "test_rmnet_data0"; |
| private static final String TEST_XLAT_MOBILE_IFNAME = "v4-test_rmnet_data0"; |
| private static final String TEST_USB_IFNAME = "test_rndis0"; |
| private static final String TEST_WLAN_IFNAME = "test_wlan0"; |
| |
| @Mock private ApplicationInfo mApplicationInfo; |
| @Mock private Context mContext; |
| @Mock private INetworkManagementService mNMService; |
| @Mock private INetworkStatsService mStatsService; |
| @Mock private INetworkPolicyManager mPolicyManager; |
| @Mock private MockableSystemProperties mSystemProperties; |
| @Mock private OffloadHardwareInterface mOffloadHardwareInterface; |
| @Mock private Resources mResources; |
| @Mock private UsbManager mUsbManager; |
| @Mock private WifiManager mWifiManager; |
| @Mock private CarrierConfigManager mCarrierConfigManager; |
| @Mock private UpstreamNetworkMonitor mUpstreamNetworkMonitor; |
| @Mock private IPv6TetheringCoordinator mIPv6TetheringCoordinator; |
| @Mock private RouterAdvertisementDaemon mRouterAdvertisementDaemon; |
| @Mock private INetd mNetd; |
| |
| private final MockTetheringDependencies mTetheringDependencies = |
| new MockTetheringDependencies(); |
| |
| // Like so many Android system APIs, these cannot be mocked because it is marked final. |
| // We have to use the real versions. |
| private final PersistableBundle mCarrierConfig = new PersistableBundle(); |
| private final TestLooper mLooper = new TestLooper(); |
| |
| private Vector<Intent> mIntents; |
| private BroadcastInterceptingContext mServiceContext; |
| private MockContentResolver mContentResolver; |
| private BroadcastReceiver mBroadcastReceiver; |
| private Tethering mTethering; |
| |
| private class MockContext extends BroadcastInterceptingContext { |
| MockContext(Context base) { |
| super(base); |
| } |
| |
| @Override |
| public ApplicationInfo getApplicationInfo() { return mApplicationInfo; } |
| |
| @Override |
| public ContentResolver getContentResolver() { return mContentResolver; } |
| |
| @Override |
| public String getPackageName() { return "TetheringTest"; } |
| |
| @Override |
| public Resources getResources() { return mResources; } |
| |
| @Override |
| public Object getSystemService(String name) { |
| if (Context.WIFI_SERVICE.equals(name)) return mWifiManager; |
| if (Context.USB_SERVICE.equals(name)) return mUsbManager; |
| return super.getSystemService(name); |
| } |
| } |
| |
| public class MockTetheringDependencies extends TetheringDependencies { |
| StateMachine upstreamNetworkMonitorMasterSM; |
| ArrayList<TetherInterfaceStateMachine> ipv6CoordinatorNotifyList; |
| int isTetheringSupportedCalls; |
| |
| public void reset() { |
| upstreamNetworkMonitorMasterSM = null; |
| ipv6CoordinatorNotifyList = null; |
| isTetheringSupportedCalls = 0; |
| } |
| |
| @Override |
| public OffloadHardwareInterface getOffloadHardwareInterface(Handler h, SharedLog log) { |
| return mOffloadHardwareInterface; |
| } |
| |
| @Override |
| public UpstreamNetworkMonitor getUpstreamNetworkMonitor(Context ctx, |
| StateMachine target, SharedLog log, int what) { |
| upstreamNetworkMonitorMasterSM = target; |
| return mUpstreamNetworkMonitor; |
| } |
| |
| @Override |
| public IPv6TetheringCoordinator getIPv6TetheringCoordinator( |
| ArrayList<TetherInterfaceStateMachine> notifyList, SharedLog log) { |
| ipv6CoordinatorNotifyList = notifyList; |
| return mIPv6TetheringCoordinator; |
| } |
| |
| @Override |
| public RouterAdvertisementDaemon getRouterAdvertisementDaemon(InterfaceParams ifParams) { |
| return mRouterAdvertisementDaemon; |
| } |
| |
| @Override |
| public INetd getNetdService() { |
| return mNetd; |
| } |
| |
| @Override |
| public InterfaceParams getInterfaceParams(String ifName) { |
| final String[] ifaces = new String[] { TEST_USB_IFNAME, TEST_WLAN_IFNAME, |
| TEST_MOBILE_IFNAME }; |
| final int index = ArrayUtils.indexOf(ifaces, ifName); |
| assertTrue("Non-mocked interface: " + ifName, index >= 0); |
| return new InterfaceParams(ifName, index + IFINDEX_OFFSET, |
| MacAddress.ALL_ZEROS_ADDRESS); |
| } |
| |
| @Override |
| public boolean isTetheringSupported() { |
| isTetheringSupportedCalls++; |
| return true; |
| } |
| } |
| |
| private static NetworkState buildMobileUpstreamState(boolean withIPv4, boolean withIPv6, |
| boolean with464xlat) { |
| final NetworkInfo info = new NetworkInfo(TYPE_MOBILE, 0, null, null); |
| info.setDetailedState(NetworkInfo.DetailedState.CONNECTED, null, null); |
| final LinkProperties prop = new LinkProperties(); |
| prop.setInterfaceName(TEST_MOBILE_IFNAME); |
| |
| if (withIPv4) { |
| prop.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), |
| NetworkUtils.numericToInetAddress("10.0.0.1"), TEST_MOBILE_IFNAME)); |
| } |
| |
| if (withIPv6) { |
| prop.addDnsServer(NetworkUtils.numericToInetAddress("2001:db8::2")); |
| prop.addLinkAddress( |
| new LinkAddress(NetworkUtils.numericToInetAddress("2001:db8::"), |
| NetworkConstants.RFC7421_PREFIX_LENGTH)); |
| prop.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), |
| NetworkUtils.numericToInetAddress("2001:db8::1"), TEST_MOBILE_IFNAME)); |
| } |
| |
| if (with464xlat) { |
| final LinkProperties stackedLink = new LinkProperties(); |
| stackedLink.setInterfaceName(TEST_XLAT_MOBILE_IFNAME); |
| stackedLink.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), |
| NetworkUtils.numericToInetAddress("192.0.0.1"), TEST_XLAT_MOBILE_IFNAME)); |
| |
| prop.addStackedLink(stackedLink); |
| } |
| |
| |
| final NetworkCapabilities capabilities = new NetworkCapabilities() |
| .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR);; |
| return new NetworkState(info, prop, capabilities, new Network(100), null, "netid"); |
| } |
| |
| private static NetworkState buildMobileIPv4UpstreamState() { |
| return buildMobileUpstreamState(true, false, false); |
| } |
| |
| private static NetworkState buildMobileIPv6UpstreamState() { |
| return buildMobileUpstreamState(false, true, false); |
| } |
| |
| private static NetworkState buildMobileDualStackUpstreamState() { |
| return buildMobileUpstreamState(true, true, false); |
| } |
| |
| private static NetworkState buildMobile464xlatUpstreamState() { |
| return buildMobileUpstreamState(false, true, true); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| when(mResources.getStringArray(com.android.internal.R.array.config_tether_dhcp_range)) |
| .thenReturn(new String[0]); |
| when(mResources.getStringArray(com.android.internal.R.array.config_tether_usb_regexs)) |
| .thenReturn(new String[] { "test_rndis\\d" }); |
| when(mResources.getStringArray(com.android.internal.R.array.config_tether_wifi_regexs)) |
| .thenReturn(new String[]{ "test_wlan\\d" }); |
| when(mResources.getStringArray(com.android.internal.R.array.config_tether_bluetooth_regexs)) |
| .thenReturn(new String[0]); |
| when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) |
| .thenReturn(new int[0]); |
| when(mNMService.listInterfaces()) |
| .thenReturn(new String[] { |
| TEST_MOBILE_IFNAME, TEST_WLAN_IFNAME, TEST_USB_IFNAME}); |
| when(mNMService.getInterfaceConfig(anyString())) |
| .thenReturn(new InterfaceConfiguration()); |
| when(mRouterAdvertisementDaemon.start()) |
| .thenReturn(true); |
| |
| mServiceContext = new MockContext(mContext); |
| mContentResolver = new MockContentResolver(mServiceContext); |
| mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider()); |
| mIntents = new Vector<>(); |
| mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| mIntents.addElement(intent); |
| } |
| }; |
| mServiceContext.registerReceiver(mBroadcastReceiver, |
| new IntentFilter(ACTION_TETHER_STATE_CHANGED)); |
| mTetheringDependencies.reset(); |
| mTethering = new Tethering(mServiceContext, mNMService, mStatsService, mPolicyManager, |
| mLooper.getLooper(), mSystemProperties, |
| mTetheringDependencies); |
| verify(mNMService).registerTetheringStatsProvider(any(), anyString()); |
| } |
| |
| @After |
| public void tearDown() { |
| mServiceContext.unregisterReceiver(mBroadcastReceiver); |
| } |
| |
| private void setupForRequiredProvisioning() { |
| // Produce some acceptable looking provision app setting if requested. |
| when(mResources.getStringArray( |
| com.android.internal.R.array.config_mobile_hotspot_provision_app)) |
| .thenReturn(PROVISIONING_APP_NAME); |
| // Don't disable tethering provisioning unless requested. |
| when(mSystemProperties.getBoolean(eq(Tethering.DISABLE_PROVISIONING_SYSPROP_KEY), |
| anyBoolean())).thenReturn(false); |
| // Act like the CarrierConfigManager is present and ready unless told otherwise. |
| when(mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE)) |
| .thenReturn(mCarrierConfigManager); |
| when(mCarrierConfigManager.getConfig()).thenReturn(mCarrierConfig); |
| mCarrierConfig.putBoolean(CarrierConfigManager.KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL, true); |
| } |
| |
| @Test |
| public void canRequireProvisioning() { |
| setupForRequiredProvisioning(); |
| sendConfigurationChanged(); |
| assertTrue(mTethering.isTetherProvisioningRequired()); |
| } |
| |
| @Test |
| public void toleratesCarrierConfigManagerMissing() { |
| setupForRequiredProvisioning(); |
| when(mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE)) |
| .thenReturn(null); |
| sendConfigurationChanged(); |
| // Couldn't get the CarrierConfigManager, but still had a declared provisioning app. |
| // We therefore still require provisioning. |
| assertTrue(mTethering.isTetherProvisioningRequired()); |
| } |
| |
| @Test |
| public void toleratesCarrierConfigMissing() { |
| setupForRequiredProvisioning(); |
| when(mCarrierConfigManager.getConfig()).thenReturn(null); |
| sendConfigurationChanged(); |
| // We still have a provisioning app configured, so still require provisioning. |
| assertTrue(mTethering.isTetherProvisioningRequired()); |
| } |
| |
| @Test |
| public void provisioningNotRequiredWhenAppNotFound() { |
| setupForRequiredProvisioning(); |
| when(mResources.getStringArray( |
| com.android.internal.R.array.config_mobile_hotspot_provision_app)) |
| .thenReturn(null); |
| assertTrue(!mTethering.isTetherProvisioningRequired()); |
| when(mResources.getStringArray( |
| com.android.internal.R.array.config_mobile_hotspot_provision_app)) |
| .thenReturn(new String[] {"malformedApp"}); |
| assertTrue(!mTethering.isTetherProvisioningRequired()); |
| } |
| |
| private void sendWifiApStateChanged(int state) { |
| final Intent intent = new Intent(WifiManager.WIFI_AP_STATE_CHANGED_ACTION); |
| intent.putExtra(EXTRA_WIFI_AP_STATE, state); |
| mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendWifiApStateChanged(int state, String ifname, int ipmode) { |
| final Intent intent = new Intent(WifiManager.WIFI_AP_STATE_CHANGED_ACTION); |
| intent.putExtra(EXTRA_WIFI_AP_STATE, state); |
| intent.putExtra(EXTRA_WIFI_AP_INTERFACE_NAME, ifname); |
| intent.putExtra(EXTRA_WIFI_AP_MODE, ipmode); |
| mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendUsbBroadcast(boolean connected, boolean configured, boolean rndisFunction) { |
| final Intent intent = new Intent(UsbManager.ACTION_USB_STATE); |
| intent.putExtra(USB_CONNECTED, connected); |
| intent.putExtra(USB_CONFIGURED, configured); |
| intent.putExtra(USB_FUNCTION_RNDIS, rndisFunction); |
| mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendConfigurationChanged() { |
| final Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); |
| mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void verifyInterfaceServingModeStarted() throws Exception { |
| verify(mNMService, times(1)).getInterfaceConfig(TEST_WLAN_IFNAME); |
| verify(mNMService, times(1)) |
| .setInterfaceConfig(eq(TEST_WLAN_IFNAME), any(InterfaceConfiguration.class)); |
| verify(mNMService, times(1)).tetherInterface(TEST_WLAN_IFNAME); |
| } |
| |
| private void verifyTetheringBroadcast(String ifname, String whichExtra) { |
| // Verify that ifname is in the whichExtra array of the tether state changed broadcast. |
| final Intent bcast = mIntents.get(0); |
| assertEquals(ACTION_TETHER_STATE_CHANGED, bcast.getAction()); |
| final ArrayList<String> ifnames = bcast.getStringArrayListExtra(whichExtra); |
| assertTrue(ifnames.contains(ifname)); |
| mIntents.remove(bcast); |
| } |
| |
| public void failingLocalOnlyHotspotLegacyApBroadcast( |
| boolean emulateInterfaceStatusChanged) throws Exception { |
| // Emulate externally-visible WifiManager effects, causing the |
| // per-interface state machine to start up, and telling us that |
| // hotspot mode is to be started. |
| if (emulateInterfaceStatusChanged) { |
| mTethering.interfaceStatusChanged(TEST_WLAN_IFNAME, true); |
| } |
| sendWifiApStateChanged(WIFI_AP_STATE_ENABLED); |
| mLooper.dispatchAll(); |
| |
| // If, and only if, Tethering received an interface status changed |
| // then it creates a TetherInterfaceStateMachine and sends out a |
| // broadcast indicating that the interface is "available". |
| if (emulateInterfaceStatusChanged) { |
| assertEquals(1, mTetheringDependencies.isTetheringSupportedCalls); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_AVAILABLE_TETHER); |
| } |
| verifyNoMoreInteractions(mNMService); |
| verifyNoMoreInteractions(mWifiManager); |
| } |
| |
| private void prepareUsbTethering(NetworkState upstreamState) { |
| when(mUpstreamNetworkMonitor.selectPreferredUpstreamType(any())) |
| .thenReturn(upstreamState); |
| |
| // Emulate pressing the USB tethering button in Settings UI. |
| mTethering.startTethering(TETHERING_USB, null, false); |
| mLooper.dispatchAll(); |
| verify(mUsbManager, times(1)).setCurrentFunctions(UsbManager.FUNCTION_RNDIS); |
| |
| mTethering.interfaceStatusChanged(TEST_USB_IFNAME, true); |
| } |
| |
| @Test |
| public void testUsbConfiguredBroadcastStartsTethering() throws Exception { |
| NetworkState upstreamState = buildMobileIPv4UpstreamState(); |
| prepareUsbTethering(upstreamState); |
| |
| // This should produce no activity of any kind. |
| verifyNoMoreInteractions(mNMService); |
| |
| // Pretend we then receive USB configured broadcast. |
| sendUsbBroadcast(true, true, true); |
| mLooper.dispatchAll(); |
| // Now we should see the start of tethering mechanics (in this case: |
| // tetherMatchingInterfaces() which starts by fetching all interfaces). |
| verify(mNMService, times(1)).listInterfaces(); |
| |
| // UpstreamNetworkMonitor should receive selected upstream |
| verify(mUpstreamNetworkMonitor, times(1)).selectPreferredUpstreamType(any()); |
| verify(mUpstreamNetworkMonitor, times(1)).setCurrentUpstream(upstreamState.network); |
| } |
| |
| @Test |
| public void failingLocalOnlyHotspotLegacyApBroadcastWithIfaceStatusChanged() throws Exception { |
| failingLocalOnlyHotspotLegacyApBroadcast(true); |
| } |
| |
| @Test |
| public void failingLocalOnlyHotspotLegacyApBroadcastSansIfaceStatusChanged() throws Exception { |
| failingLocalOnlyHotspotLegacyApBroadcast(false); |
| } |
| |
| public void workingLocalOnlyHotspotEnrichedApBroadcast( |
| boolean emulateInterfaceStatusChanged) throws Exception { |
| // Emulate externally-visible WifiManager effects, causing the |
| // per-interface state machine to start up, and telling us that |
| // hotspot mode is to be started. |
| if (emulateInterfaceStatusChanged) { |
| mTethering.interfaceStatusChanged(TEST_WLAN_IFNAME, true); |
| } |
| sendWifiApStateChanged(WIFI_AP_STATE_ENABLED, TEST_WLAN_IFNAME, IFACE_IP_MODE_LOCAL_ONLY); |
| mLooper.dispatchAll(); |
| |
| verifyInterfaceServingModeStarted(); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_AVAILABLE_TETHER); |
| verify(mNMService, times(1)).setIpForwardingEnabled(true); |
| verify(mNMService, times(1)).startTethering(any(String[].class)); |
| verifyNoMoreInteractions(mNMService); |
| verify(mWifiManager).updateInterfaceIpState( |
| TEST_WLAN_IFNAME, WifiManager.IFACE_IP_MODE_LOCAL_ONLY); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_ACTIVE_LOCAL_ONLY); |
| verify(mUpstreamNetworkMonitor, times(1)).start(); |
| // TODO: Figure out why this isn't exactly once, for sendTetherStateChangedBroadcast(). |
| assertTrue(1 <= mTetheringDependencies.isTetheringSupportedCalls); |
| |
| // Emulate externally-visible WifiManager effects, when hotspot mode |
| // is being torn down. |
| sendWifiApStateChanged(WifiManager.WIFI_AP_STATE_DISABLED); |
| mTethering.interfaceRemoved(TEST_WLAN_IFNAME); |
| mLooper.dispatchAll(); |
| |
| verify(mNMService, times(1)).untetherInterface(TEST_WLAN_IFNAME); |
| // TODO: Why is {g,s}etInterfaceConfig() called more than once? |
| verify(mNMService, atLeastOnce()).getInterfaceConfig(TEST_WLAN_IFNAME); |
| verify(mNMService, atLeastOnce()) |
| .setInterfaceConfig(eq(TEST_WLAN_IFNAME), any(InterfaceConfiguration.class)); |
| verify(mNMService, times(1)).stopTethering(); |
| verify(mNMService, times(1)).setIpForwardingEnabled(false); |
| verifyNoMoreInteractions(mNMService); |
| verifyNoMoreInteractions(mWifiManager); |
| // Asking for the last error after the per-interface state machine |
| // has been reaped yields an unknown interface error. |
| assertEquals(TETHER_ERROR_UNKNOWN_IFACE, mTethering.getLastTetherError(TEST_WLAN_IFNAME)); |
| } |
| |
| /** |
| * Send CMD_IPV6_TETHER_UPDATE to TISMs as would be done by IPv6TetheringCoordinator. |
| */ |
| private void sendIPv6TetherUpdates(NetworkState upstreamState) { |
| // IPv6TetheringCoordinator must have been notified of downstream |
| verify(mIPv6TetheringCoordinator, times(1)).addActiveDownstream( |
| argThat(sm -> sm.linkProperties().getInterfaceName().equals(TEST_USB_IFNAME)), |
| eq(IControlsTethering.STATE_TETHERED)); |
| |
| for (TetherInterfaceStateMachine tism : |
| mTetheringDependencies.ipv6CoordinatorNotifyList) { |
| NetworkState ipv6OnlyState = buildMobileUpstreamState(false, true, false); |
| tism.sendMessage(TetherInterfaceStateMachine.CMD_IPV6_TETHER_UPDATE, 0, 0, |
| upstreamState.linkProperties.isIPv6Provisioned() |
| ? ipv6OnlyState.linkProperties |
| : null); |
| } |
| mLooper.dispatchAll(); |
| } |
| |
| private void runUsbTethering(NetworkState upstreamState) { |
| prepareUsbTethering(upstreamState); |
| sendUsbBroadcast(true, true, true); |
| mLooper.dispatchAll(); |
| } |
| |
| @Test |
| public void workingMobileUsbTethering_IPv4() throws Exception { |
| NetworkState upstreamState = buildMobileIPv4UpstreamState(); |
| runUsbTethering(upstreamState); |
| |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| |
| sendIPv6TetherUpdates(upstreamState); |
| verify(mRouterAdvertisementDaemon, never()).buildNewRa(any(), notNull()); |
| } |
| |
| @Test |
| public void workingMobileUsbTethering_IPv6() throws Exception { |
| NetworkState upstreamState = buildMobileIPv6UpstreamState(); |
| runUsbTethering(upstreamState); |
| |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| |
| sendIPv6TetherUpdates(upstreamState); |
| verify(mRouterAdvertisementDaemon, times(1)).buildNewRa(any(), notNull()); |
| verify(mNetd, times(1)).tetherApplyDnsInterfaces(); |
| } |
| |
| @Test |
| public void workingMobileUsbTethering_DualStack() throws Exception { |
| NetworkState upstreamState = buildMobileDualStackUpstreamState(); |
| runUsbTethering(upstreamState); |
| |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mRouterAdvertisementDaemon, times(1)).start(); |
| |
| sendIPv6TetherUpdates(upstreamState); |
| verify(mRouterAdvertisementDaemon, times(1)).buildNewRa(any(), notNull()); |
| verify(mNetd, times(1)).tetherApplyDnsInterfaces(); |
| } |
| |
| @Test |
| public void workingMobileUsbTethering_MultipleUpstreams() throws Exception { |
| NetworkState upstreamState = buildMobile464xlatUpstreamState(); |
| runUsbTethering(upstreamState); |
| |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_XLAT_MOBILE_IFNAME); |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, |
| TEST_XLAT_MOBILE_IFNAME); |
| |
| sendIPv6TetherUpdates(upstreamState); |
| verify(mRouterAdvertisementDaemon, times(1)).buildNewRa(any(), notNull()); |
| verify(mNetd, times(1)).tetherApplyDnsInterfaces(); |
| } |
| |
| @Test |
| public void workingMobileUsbTethering_v6Then464xlat() throws Exception { |
| // Setup IPv6 |
| NetworkState upstreamState = buildMobileIPv6UpstreamState(); |
| runUsbTethering(upstreamState); |
| |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| |
| // Then 464xlat comes up |
| upstreamState = buildMobile464xlatUpstreamState(); |
| when(mUpstreamNetworkMonitor.selectPreferredUpstreamType(any())) |
| .thenReturn(upstreamState); |
| |
| // Upstream LinkProperties changed: UpstreamNetworkMonitor sends EVENT_ON_LINKPROPERTIES. |
| mTetheringDependencies.upstreamNetworkMonitorMasterSM.sendMessage( |
| Tethering.TetherMasterSM.EVENT_UPSTREAM_CALLBACK, |
| UpstreamNetworkMonitor.EVENT_ON_LINKPROPERTIES, |
| 0, |
| upstreamState); |
| mLooper.dispatchAll(); |
| |
| // Forwarding is added for 464xlat |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_XLAT_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, |
| TEST_XLAT_MOBILE_IFNAME); |
| // Forwarding was not re-added for v6 (still times(1)) |
| verify(mNMService, times(1)).enableNat(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| verify(mNMService, times(1)).startInterfaceForwarding(TEST_USB_IFNAME, TEST_MOBILE_IFNAME); |
| } |
| |
| @Test |
| public void workingLocalOnlyHotspotEnrichedApBroadcastWithIfaceChanged() throws Exception { |
| workingLocalOnlyHotspotEnrichedApBroadcast(true); |
| } |
| |
| @Test |
| public void workingLocalOnlyHotspotEnrichedApBroadcastSansIfaceChanged() throws Exception { |
| workingLocalOnlyHotspotEnrichedApBroadcast(false); |
| } |
| |
| // TODO: Test with and without interfaceStatusChanged(). |
| @Test |
| public void failingWifiTetheringLegacyApBroadcast() throws Exception { |
| when(mWifiManager.startSoftAp(any(WifiConfiguration.class))).thenReturn(true); |
| |
| // Emulate pressing the WiFi tethering button. |
| mTethering.startTethering(TETHERING_WIFI, null, false); |
| mLooper.dispatchAll(); |
| verify(mWifiManager, times(1)).startSoftAp(null); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyNoMoreInteractions(mNMService); |
| |
| // Emulate externally-visible WifiManager effects, causing the |
| // per-interface state machine to start up, and telling us that |
| // tethering mode is to be started. |
| mTethering.interfaceStatusChanged(TEST_WLAN_IFNAME, true); |
| sendWifiApStateChanged(WIFI_AP_STATE_ENABLED); |
| mLooper.dispatchAll(); |
| |
| assertEquals(1, mTetheringDependencies.isTetheringSupportedCalls); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_AVAILABLE_TETHER); |
| verifyNoMoreInteractions(mNMService); |
| verifyNoMoreInteractions(mWifiManager); |
| } |
| |
| // TODO: Test with and without interfaceStatusChanged(). |
| @Test |
| public void workingWifiTetheringEnrichedApBroadcast() throws Exception { |
| when(mWifiManager.startSoftAp(any(WifiConfiguration.class))).thenReturn(true); |
| |
| // Emulate pressing the WiFi tethering button. |
| mTethering.startTethering(TETHERING_WIFI, null, false); |
| mLooper.dispatchAll(); |
| verify(mWifiManager, times(1)).startSoftAp(null); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyNoMoreInteractions(mNMService); |
| |
| // Emulate externally-visible WifiManager effects, causing the |
| // per-interface state machine to start up, and telling us that |
| // tethering mode is to be started. |
| mTethering.interfaceStatusChanged(TEST_WLAN_IFNAME, true); |
| sendWifiApStateChanged(WIFI_AP_STATE_ENABLED, TEST_WLAN_IFNAME, IFACE_IP_MODE_TETHERED); |
| mLooper.dispatchAll(); |
| |
| verifyInterfaceServingModeStarted(); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_AVAILABLE_TETHER); |
| verify(mNMService, times(1)).setIpForwardingEnabled(true); |
| verify(mNMService, times(1)).startTethering(any(String[].class)); |
| verifyNoMoreInteractions(mNMService); |
| verify(mWifiManager).updateInterfaceIpState( |
| TEST_WLAN_IFNAME, WifiManager.IFACE_IP_MODE_TETHERED); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_ACTIVE_TETHER); |
| verify(mUpstreamNetworkMonitor, times(1)).start(); |
| // In tethering mode, in the default configuration, an explicit request |
| // for a mobile network is also made. |
| verify(mUpstreamNetworkMonitor, times(1)).registerMobileNetworkRequest(); |
| // TODO: Figure out why this isn't exactly once, for sendTetherStateChangedBroadcast(). |
| assertTrue(1 <= mTetheringDependencies.isTetheringSupportedCalls); |
| |
| ///// |
| // We do not currently emulate any upstream being found. |
| // |
| // This is why there are no calls to verify mNMService.enableNat() or |
| // mNMService.startInterfaceForwarding(). |
| ///// |
| |
| // Emulate pressing the WiFi tethering button. |
| mTethering.stopTethering(TETHERING_WIFI); |
| mLooper.dispatchAll(); |
| verify(mWifiManager, times(1)).stopSoftAp(); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyNoMoreInteractions(mNMService); |
| |
| // Emulate externally-visible WifiManager effects, when tethering mode |
| // is being torn down. |
| sendWifiApStateChanged(WifiManager.WIFI_AP_STATE_DISABLED); |
| mTethering.interfaceRemoved(TEST_WLAN_IFNAME); |
| mLooper.dispatchAll(); |
| |
| verify(mNMService, times(1)).untetherInterface(TEST_WLAN_IFNAME); |
| // TODO: Why is {g,s}etInterfaceConfig() called more than once? |
| verify(mNMService, atLeastOnce()).getInterfaceConfig(TEST_WLAN_IFNAME); |
| verify(mNMService, atLeastOnce()) |
| .setInterfaceConfig(eq(TEST_WLAN_IFNAME), any(InterfaceConfiguration.class)); |
| verify(mNMService, times(1)).stopTethering(); |
| verify(mNMService, times(1)).setIpForwardingEnabled(false); |
| verifyNoMoreInteractions(mNMService); |
| verifyNoMoreInteractions(mWifiManager); |
| // Asking for the last error after the per-interface state machine |
| // has been reaped yields an unknown interface error. |
| assertEquals(TETHER_ERROR_UNKNOWN_IFACE, mTethering.getLastTetherError(TEST_WLAN_IFNAME)); |
| } |
| |
| // TODO: Test with and without interfaceStatusChanged(). |
| @Test |
| public void failureEnablingIpForwarding() throws Exception { |
| when(mWifiManager.startSoftAp(any(WifiConfiguration.class))).thenReturn(true); |
| doThrow(new RemoteException()).when(mNMService).setIpForwardingEnabled(true); |
| |
| // Emulate pressing the WiFi tethering button. |
| mTethering.startTethering(TETHERING_WIFI, null, false); |
| mLooper.dispatchAll(); |
| verify(mWifiManager, times(1)).startSoftAp(null); |
| verifyNoMoreInteractions(mWifiManager); |
| verifyNoMoreInteractions(mNMService); |
| |
| // Emulate externally-visible WifiManager effects, causing the |
| // per-interface state machine to start up, and telling us that |
| // tethering mode is to be started. |
| mTethering.interfaceStatusChanged(TEST_WLAN_IFNAME, true); |
| sendWifiApStateChanged(WIFI_AP_STATE_ENABLED, TEST_WLAN_IFNAME, IFACE_IP_MODE_TETHERED); |
| mLooper.dispatchAll(); |
| |
| // We verify get/set called twice here: once for setup and once during |
| // teardown because all events happen over the course of the single |
| // dispatchAll() above. |
| verify(mNMService, times(2)).getInterfaceConfig(TEST_WLAN_IFNAME); |
| verify(mNMService, times(2)) |
| .setInterfaceConfig(eq(TEST_WLAN_IFNAME), any(InterfaceConfiguration.class)); |
| verify(mNMService, times(1)).tetherInterface(TEST_WLAN_IFNAME); |
| verify(mWifiManager).updateInterfaceIpState( |
| TEST_WLAN_IFNAME, WifiManager.IFACE_IP_MODE_TETHERED); |
| // TODO: Figure out why this isn't exactly once, for sendTetherStateChangedBroadcast(). |
| assertTrue(1 <= mTetheringDependencies.isTetheringSupportedCalls); |
| verifyTetheringBroadcast(TEST_WLAN_IFNAME, EXTRA_AVAILABLE_TETHER); |
| // This is called, but will throw. |
| verify(mNMService, times(1)).setIpForwardingEnabled(true); |
| // This never gets called because of the exception thrown above. |
| verify(mNMService, times(0)).startTethering(any(String[].class)); |
| // When the master state machine transitions to an error state it tells |
| // downstream interfaces, which causes us to tell Wi-Fi about the error |
| // so it can take down AP mode. |
| verify(mNMService, times(1)).untetherInterface(TEST_WLAN_IFNAME); |
| verify(mWifiManager).updateInterfaceIpState( |
| TEST_WLAN_IFNAME, WifiManager.IFACE_IP_MODE_CONFIGURATION_ERROR); |
| |
| verifyNoMoreInteractions(mWifiManager); |
| verifyNoMoreInteractions(mNMService); |
| } |
| |
| private void userRestrictionsListenerBehaviour( |
| boolean currentDisallow, boolean nextDisallow, String[] activeTetheringIfacesList, |
| int expectedInteractionsWithShowNotification) throws Exception { |
| final int userId = 0; |
| final Bundle currRestrictions = new Bundle(); |
| final Bundle newRestrictions = new Bundle(); |
| Tethering tethering = mock(Tethering.class); |
| Tethering.TetheringUserRestrictionListener turl = |
| new Tethering.TetheringUserRestrictionListener(tethering); |
| |
| currRestrictions.putBoolean(UserManager.DISALLOW_CONFIG_TETHERING, currentDisallow); |
| newRestrictions.putBoolean(UserManager.DISALLOW_CONFIG_TETHERING, nextDisallow); |
| when(tethering.getTetheredIfaces()).thenReturn(activeTetheringIfacesList); |
| |
| turl.onUserRestrictionsChanged(userId, newRestrictions, currRestrictions); |
| |
| verify(tethering, times(expectedInteractionsWithShowNotification)) |
| .showTetheredNotification(anyInt(), eq(false)); |
| |
| verify(tethering, times(expectedInteractionsWithShowNotification)).untetherAll(); |
| } |
| |
| @Test |
| public void testDisallowTetheringWhenNoTetheringInterfaceIsActive() throws Exception { |
| final String[] emptyActiveIfacesList = new String[]{}; |
| final boolean currDisallow = false; |
| final boolean nextDisallow = true; |
| final int expectedInteractionsWithShowNotification = 0; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, emptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| } |
| |
| @Test |
| public void testDisallowTetheringWhenAtLeastOneTetheringInterfaceIsActive() throws Exception { |
| final String[] nonEmptyActiveIfacesList = new String[]{TEST_WLAN_IFNAME}; |
| final boolean currDisallow = false; |
| final boolean nextDisallow = true; |
| final int expectedInteractionsWithShowNotification = 1; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, nonEmptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| } |
| |
| @Test |
| public void testAllowTetheringWhenNoTetheringInterfaceIsActive() throws Exception { |
| final String[] nonEmptyActiveIfacesList = new String[]{}; |
| final boolean currDisallow = true; |
| final boolean nextDisallow = false; |
| final int expectedInteractionsWithShowNotification = 0; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, nonEmptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| } |
| |
| @Test |
| public void testAllowTetheringWhenAtLeastOneTetheringInterfaceIsActive() throws Exception { |
| final String[] nonEmptyActiveIfacesList = new String[]{TEST_WLAN_IFNAME}; |
| final boolean currDisallow = true; |
| final boolean nextDisallow = false; |
| final int expectedInteractionsWithShowNotification = 0; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, nonEmptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| } |
| |
| @Test |
| public void testDisallowTetheringUnchanged() throws Exception { |
| final String[] nonEmptyActiveIfacesList = new String[]{TEST_WLAN_IFNAME}; |
| final int expectedInteractionsWithShowNotification = 0; |
| boolean currDisallow = true; |
| boolean nextDisallow = true; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, nonEmptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| |
| currDisallow = false; |
| nextDisallow = false; |
| |
| userRestrictionsListenerBehaviour(currDisallow, nextDisallow, nonEmptyActiveIfacesList, |
| expectedInteractionsWithShowNotification); |
| } |
| |
| |
| // TODO: Test that a request for hotspot mode doesn't interfere with an |
| // already operating tethering mode interface. |
| } |